Upgrade: [dependabot] - bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/cdk_package_code.yml

@@ -19,7 +19,7 @@ jobs:
       packages: read
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ env.BRANCH_NAME }}
 

.github/workflows/cdk_release_code.yml

@@ -37,7 +37,7 @@ jobs:
 
     steps:
       - name: Checkout local github actions
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ env.BRANCH_NAME }}
           fetch-depth: 0
@@ -132,7 +132,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout gh-pages
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: gh-pages
           path: gh-pages

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
       tag_format: ${{ steps.load-config.outputs.TAG_FORMAT }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Get asdf version
         id: asdf-version

.github/workflows/create_release_notes.yml

@@ -40,7 +40,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout local github actions
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ env.BRANCH_NAME }}
           fetch-depth: 0

.github/workflows/pull_request.yml

@@ -15,7 +15,7 @@ jobs:
       tag_format: ${{ steps.load-config.outputs.TAG_FORMAT }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Get asdf version
         id: asdf-version

.github/workflows/release.yml

@@ -14,7 +14,7 @@ jobs:
       tag_format: ${{ steps.load-config.outputs.TAG_FORMAT }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Get asdf version
         id: asdf-version